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Communication Dans Un Congrès Année : 2015

Actuator fault diagnosis in an octorotor UAV using sliding modes technique: Theory and experimentation

Résumé

This paper presents a fault diagnosis strategy for actuators faults in an octorotor unmanned aerial vehicle (UAV) using sliding modes techniques. First, system states are estimated using a second order sliding-mode observer (SOSMO) based on the modified super-twisting algorithm. Second, faults are estimated by considering the system control as an unknown input. After the convergence of the observer, the equivalent output injection is used to estimate the unknown input and thus to identify losses in the actuators. The effectiveness of this approach is illustrated by numerical simulations on Matlab/Simulink, and also a real experimental application on a coaxial octorotor UAV.
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Dates et versions

hal-01258944 , version 1 (19-01-2016)

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Majd Saied, Hassan Shraim, Clovis Francis, Isabelle Fantoni, Benjamin Lussier. Actuator fault diagnosis in an octorotor UAV using sliding modes technique: Theory and experimentation. European Control Conference (ECC 2015), Jul 2015, Linz, Austria. pp.1639 - 1644, ⟨10.1109/ECC.2015.7330772⟩. ⟨hal-01258944⟩
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